Zhiwen Li

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Xian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic release device for use in vertical falling tests of...
- Patent number 11,655,054
- Issue date May 23, 2023
- Northwestern Polytechnical University
- Yongjie Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electromagnetic release device for use in vertical falling tests of...
- Publication number 20220219837
- Publication date Jul 14, 2022
- Yongjie Zhang
- H01 - BASIC ELECTRIC ELEMENTS